diff --git a/spa/include/spa/meson.build b/spa/include/spa/meson.build
index e16e20869..4c4df0d25 100644
--- a/spa/include/spa/meson.build
+++ b/spa/include/spa/meson.build
@@ -37,6 +37,7 @@ install_headers(spa_graph_headers,
 
 spa_monitor_headers = [
   'monitor/device.h',
+  'monitor/event.h',
   'monitor/utils.h',
 ]